Package io.airlift.slice

Examples of io.airlift.slice.DynamicSliceOutput.slice()

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                .appendSlice(Slices.utf8Slice("dave"))
                .build();

        DynamicSliceOutput sliceOutput = new DynamicSliceOutput(1024);
        BlockEncoding blockEncoding = new DictionaryEncoder(new UncompressedEncoder(sliceOutput)).append(block).append(block).append(block).finish();
        Block actualBlock = blockEncoding.readBlock(sliceOutput.slice().getInput());
        assertBlockEquals(actualBlock, VARCHAR.createBlockBuilder(new BlockBuilderStatus())
                .appendSlice(Slices.utf8Slice("alice"))
                .appendSlice(Slices.utf8Slice("bob"))
                .appendSlice(Slices.utf8Slice("charlie"))
                .appendSlice(Slices.utf8Slice("dave"))
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        DynamicSliceOutput compressedOutput = new DynamicSliceOutput(1024);
        Encoder encoder = BlocksFileEncoding.SNAPPY.createBlocksWriter(compressedOutput);

        encoder.append(block);
        BlockEncoding snappyEncoding = encoder.finish();
        Block actualBlock = snappyEncoding.readBlock(compressedOutput.slice().getInput());
        BlockAssertions.assertBlockEquals(actualBlock, block);
    }

    @Test
    public void testLotsOfStuff()
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        Block expectedBlock = expectedBlockBuilder.build();

        BlockEncoding snappyEncoding = encoder.finish();
        assertTrue(encoderOutput.size() < expectedBlock.getSizeInBytes());

        Block actualBlock = snappyEncoding.readBlock(encoderOutput.slice().getInput());

        BlockAssertions.assertBlockEquals(actualBlock, expectedBlock);
    }
}
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            if (page != null) {
                headers.put(CONTENT_TYPE, PRESTO_PAGES);
                headers.put(PRESTO_PAGE_NEXT_TOKEN, String.valueOf(pageToken + 1));
                DynamicSliceOutput output = new DynamicSliceOutput(256);
                PagesSerde.writePages(createTestingBlockEncodingManager(), output, page);
                return new TestingResponse(HttpStatus.OK, headers.build(), output.slice().getInput());
            }
            else if (taskBuffer.isFinished()) {
                headers.put(PRESTO_PAGE_NEXT_TOKEN, String.valueOf(pageToken));
                return new TestingResponse(HttpStatus.GONE, headers.build(), new byte[0]);
            }
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                // write digest
                digest.serialize(sliceOutput);
                // write percentile
                sliceOutput.appendDouble(percentile);

                Slice slice = sliceOutput.slice();
                out.append(slice);
            }

            return out.build();
        }
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                // write digest
                currentValue.getDigest().serialize(sliceOutput);
                // write percentile
                sliceOutput.appendDouble(currentValue.getPercentile());

                Slice slice = sliceOutput.slice();
                output.append(slice);
            }
        }

        @Override
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            DynamicSliceOutput dynamicSliceOutput = new DynamicSliceOutput(ESTIMATED_JSON_OUTPUT_SIZE);
            try (JsonGenerator jsonGenerator = JSON_FACTORY.createJsonGenerator(dynamicSliceOutput)) {
                jsonGenerator.copyCurrentStructure(jsonParser);
            }
            return dynamicSliceOutput.slice();
        }
    }

    private static class StringReplacer
    {
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        uncompressedBlock = block;
        uncompressedBlockEncoding = block.getEncoding();

        DynamicSliceOutput sliceOutput = new DynamicSliceOutput(Ints.checkedCast(uncompressedBlock.getSizeInBytes() + ENCODING_BUFFER_OVERHEAD.toBytes()));
        uncompressedBlockEncoding.writeBlock(sliceOutput, uncompressedBlock);
        Slice uncompressedSlice = sliceOutput.slice();

        byte[] compressedBytes = new byte[Snappy.maxCompressedLength(uncompressedSlice.length())];
        int actualLength = Snappy.compress(uncompressedSlice.getBytes(), 0, uncompressedSlice.length(), compressedBytes, 0);
        compressedSlice = Slices.wrappedBuffer(Arrays.copyOf(compressedBytes, actualLength));
    }
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                // write digest
                currentValue.getDigest().serialize(sliceOutput);
                // write percentile
                sliceOutput.appendDouble(currentValue.getPercentile());

                Slice slice = sliceOutput.slice();
                output.appendSlice(slice);
            }
        }

        @Override
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                // write digest
                digest.serialize(sliceOutput);
                // write percentile
                sliceOutput.appendDouble(percentile);

                Slice slice = sliceOutput.slice();
                out.appendSlice(slice);
            }

            return out.build();
        }
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